Spanner wrench



FIG. 1 is a top, left side perspective view of a spanner wrench showing my new design;

FIG. 2 is an end elevational view thereof as seen from the right side of FIG. 1;

FIG. 3 is an end elevational view thereof as seen from the left side of FIG. 1;

FIG. 4 is a top plan view thereof;

FIG. 5 is a left side elevational view thereof, the opposite side being a mirror image of FIG. 4; and,

FIG. 6 is a bottom plan view thereof. 

The ornamental design for a spanner wrench, as shown and described. 